package com.dgz.common.redis.config;

import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
@AutoConfigureBefore(RedisAutoConfiguration.class)  // 注意：在RedisAutoConfiguration之前加载
public class RedisConfig extends CachingConfigurerSupport {


    @Bean
    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory) {


        RedisTemplate<Object, Object> template = new RedisTemplate<>();

        // 配置连接工厂
        template.setConnectionFactory(connectionFactory);

        // 设置value的序列化方式
        JsonRedisSerializer serializer = new JsonRedisSerializer(Object.class);

        // 使⽤StringRedisSerializer来序列化和反序列化redis的key值
        template.setKeySerializer(new StringRedisSerializer());
        template.setValueSerializer(serializer);
        // Hash的key也采⽤StringRedisSerializer的序列化⽅式
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(serializer);
        // 设置请求失败时是否重试
        template.afterPropertiesSet();
        return template;
    }
}